id,case_id,role,surname,forename,occupation,place_id,raw_segment,seq 4808012,2298684,plaintiff,Cornewalle,John,knight,,"Cornewalle, John, knight, on his own account",0 4808013,2298684,defendant,Lancaster,Thomas,Duke of Clarence & son of the king,,"Lancaster, Thomas, Duke of Clarence & son of the king, executors of",0 4808014,2298684,defendant,Colvylle,John,,822749,"(Colvylle, John, of Neuton, Cambs, knight",1 4808015,2298684,defendant,Merston,Henry,clerk,604961,"Merston, Henry, of Westminster, Middx, clerk",2 4808016,2298684,defendant,Thirlewall,William,gent,585869,"Thirlewall, William, of London, gent",3 4808017,2298684,defendant,Lancaster or Beaufort or Holland,Margaret,"Duchess of Clarence, formerly wife of Testator, of Bermondsey, Surr, widow",,"Lancaster or Beaufort or Holland, Margaret, Duchess of Clarence, formerly wife of Testator, of Bermondsey, Surr, widow",4